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The Physiology and Function of the Normal and Damaged Cochlea |
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1 | (30) |
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1 | (1) |
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Structure and function of the normal peripheral auditory system |
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2 | (14) |
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2 | (2) |
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The cochlea, the basilar membrane and the organ of Corti |
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4 | (10) |
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14 | (2) |
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Neural responses in the normal auditory nerve |
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16 | (6) |
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Spontaneous firing rates and thresholds |
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16 | (1) |
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Tuning curves and iso-rate contours |
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16 | (1) |
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Rate versus level functions |
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17 | (2) |
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19 | (2) |
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21 | (1) |
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Physiology and functional properties of the damaged cochlea |
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22 | (7) |
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22 | (1) |
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22 | (3) |
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Structure-function correlation |
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25 | (3) |
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28 | (1) |
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29 | (1) |
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Absolute Thresholds and Frequency Selectivity in Normal and Impaired Hearing |
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30 | (32) |
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30 | (2) |
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Absolute threshold in normal and hearing-impaired subjects |
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30 | (2) |
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32 | (1) |
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The power spectrum model and the concept of the critical band |
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33 | (2) |
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Estimating the shape of the auditory filter |
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35 | (6) |
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Psychophysical tuning curves |
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36 | (1) |
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37 | (3) |
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40 | (1) |
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Allowing for the transfer function of the outer and middle ear |
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40 | (1) |
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An example of measurement of the auditory filter shape |
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40 | (1) |
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Summary of the characteristics of the auditory filter in normally hearing subjects |
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41 | (3) |
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Variation with centre frequency |
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41 | (2) |
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The variation of the auditory filter shape with level |
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43 | (1) |
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Masking patterns and excitation patterns |
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44 | (3) |
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Relationship of the auditory filter to the excitation pattern |
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46 | (1) |
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Changes in excitation patterns with level |
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47 | (1) |
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47 | (4) |
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Evidence for lateral suppression from non-simultaneous masking |
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49 | (2) |
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The enhancement of frequency selectivity revealed in non-simultaneous masking |
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51 | (1) |
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Frequency selectivity in simultaneous masking for subjects with cochlear hearing loss |
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52 | (6) |
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Psychophysical tuning curves |
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53 | (1) |
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Auditory filter shapes measured using rippled noise |
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53 | (2) |
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Auditory filter shapes measured with notched noise |
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55 | (3) |
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Forward masking and suppression in subjects with cochlear hearing loss |
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58 | (2) |
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Perceptual consequences of reduced frequency selectivity |
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60 | (2) |
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Susceptibility to masking |
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60 | (1) |
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61 | (1) |
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Loudness Perception and Intensity Resolution in People with Normal and Impaired Hearing |
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62 | (26) |
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62 | (1) |
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Loudness perception in normally hearing people |
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62 | (3) |
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Equal-loudness contours and loudness level |
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62 | (1) |
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63 | (1) |
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The detection of intensity changes |
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64 | (1) |
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Loudness recruitment and reduced dynamic range in people with cochlear damage |
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65 | (4) |
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Models of loudness perception |
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69 | (2) |
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The mechanisms underlying loudness recruitment |
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71 | (4) |
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Theoretical considerations |
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71 | (2) |
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Experimental tests of the role of frequency selectivity in loudness recruitment |
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73 | (2) |
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Loudness summation in impaired subjects |
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75 | (3) |
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Intensity resolution in cases of cochlear damage |
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78 | (6) |
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Detection of amplitude modulation |
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79 | (3) |
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Intensity discrimination of tone pulses |
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82 | (1) |
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The relation of intensity discrimination to loudness |
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82 | (1) |
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The role of spread of excitation in intensity discrimination |
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83 | (1) |
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Perceptual consequences of altered loudness perception |
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84 | (3) |
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Consequences of loudness recruitment and reduced dynamic range |
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84 | (1) |
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Perceptual consequences of reduced loudness summation |
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85 | (1) |
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Perceptual consequences of altered intensity discrimination |
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86 | (1) |
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87 | (1) |
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Effects of Cochlear Damage on Temporal Resolution and Temporal Integration |
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88 | (21) |
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88 | (1) |
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Modelling within-channel temporal resolution |
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89 | (6) |
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The effect of auditory filtering |
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89 | (4) |
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The characteristics of the nonlinearity and the smoothing device |
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93 | (2) |
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Temporal resolution in subjects with cochlear damage |
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95 | (8) |
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The influence of sound level |
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95 | (2) |
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The influence of audible bandwidth |
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97 | (2) |
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The influence of broadened auditory filters |
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99 | (1) |
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The influence of changes in the compressive nonlinearity |
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100 | (3) |
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103 | (4) |
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Temporal integration in normally hearing people |
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103 | (1) |
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Temporal integration in people with cochlear damage |
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104 | (1) |
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Explanations for reduced temporal integration in people with cochlear damage |
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105 | (2) |
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Perceptual consequences of abnormal temporal processing in people with cochlear damage |
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107 | (2) |
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Consequences of abnormal temporal resolution |
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107 | (1) |
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Consequences of reduced temporal integration |
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108 | (1) |
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Pitch Perception and Frequency Discrimination in Normally Hearing and Hearing-Impaired People |
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109 | (20) |
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Introduction to the perception of pitch |
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109 | (1) |
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Traditional theories of pitch perception |
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109 | (1) |
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The perception of the pitch of pure tones by normally hearing subjects |
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110 | (2) |
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The frequency discrimination of pure tones |
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110 | (2) |
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The perception of musical intervals |
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112 | (1) |
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The pitch perception of complex tones |
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112 | (2) |
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The phenomenon of the missing fundamental |
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112 | (1) |
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Discrimination of the pitch of complex tones |
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113 | (1) |
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Analysis of a complex tone in the peripheral auditory system |
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113 | (1) |
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Theories of pitch perception for complex tones |
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114 | (3) |
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Frequency discrimination of pure tones by people with cochlear damage |
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117 | (3) |
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Detection of frequency modulation by people with cochlear damage |
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120 | (2) |
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The perception of pure-tone pitch in the absence of functioning hair cells with CFs at the test frequency |
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122 | (1) |
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Pitch anomalies in the perception of pure tones |
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123 | (1) |
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Frequency discrimination of complex tones by people with cochlear damage |
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124 | (3) |
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Perceptual consequences of altered frequency discrimination and pitch perception |
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127 | (2) |
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Sound Localization and Binaural Hearing in Normal and Hearing-Impaired People |
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129 | (18) |
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The localization of sinusoids |
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129 | (5) |
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129 | (2) |
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Performance of normally hearing people in localization and lateralization |
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131 | (2) |
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Performance of hearing-impaired people in localization and lateralization |
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133 | (1) |
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The localization of complex sounds |
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134 | (3) |
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The role of transients and across-frequency comparisons |
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134 | (1) |
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Performance of normally hearing subjects |
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134 | (1) |
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Performance of people with cochlear damage |
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135 | (2) |
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Reasons for large ITD and IID thresholds in people with cochlear damage |
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137 | (1) |
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The cone of confusion, head movements, and pinna cues |
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137 | (2) |
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Resolution using pinna cues by normal and hearing-impaired subjects |
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139 | (1) |
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General conclusions on sound localization |
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139 | (1) |
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Binaural masking level differences (MLDs) |
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139 | (4) |
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MLDs for normally hearing subjects |
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139 | (2) |
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MLDs for people with cochlear damage |
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141 | (1) |
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Possible reasons for smaller MLDs in people with cochlear damage |
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142 | (1) |
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143 | (2) |
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Results for normally hearing subjects |
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143 | (1) |
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Results for hearing-impaired subjects |
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144 | (1) |
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145 | (1) |
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Perceptual consequences of abnormal binaural and spatial hearing in people with cochlear damage |
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146 | (1) |
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Speech Perception by People with Cochlear Damage |
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147 | (26) |
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147 | (1) |
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The magnitude of the noise problem |
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147 | (1) |
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148 | (6) |
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148 | (3) |
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The intelligibility of speech in noise at high overall levels |
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151 | (1) |
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Comparison of detection and recognition for speech in noise |
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151 | (1) |
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The intelligibility of speech in quiet at high overall levels |
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151 | (1) |
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Simulation of hearing loss by selective filtering or masking |
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152 | (2) |
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Comparison of speech intelligibility for conductive and cochlear losses |
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154 | (1) |
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Conclusions on the role of audibility |
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154 | (1) |
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Correlational studies of psychoacoustic abilities and speech perception |
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154 | (4) |
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Assessing the effects of frequency selectivity on vowel and consonant perception |
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158 | (5) |
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158 | (1) |
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159 | (4) |
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The use of simulations to assess the importance of psychoacoustic factors in speech perception |
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163 | (9) |
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163 | (5) |
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Simulation of reduced frequency selectivity |
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168 | (2) |
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Simulation of reduced temporal resolution |
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170 | (2) |
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172 | (1) |
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Limitations and Potentials of Hearing Aids |
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173 | (32) |
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173 | (1) |
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The use of linear amplification to restore audibility |
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173 | (3) |
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Some general problems with hearing aids |
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176 | (3) |
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176 | (1) |
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Peakiness of frequency response |
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177 | (1) |
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178 | (1) |
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The use of compression to compensate for reduced dynamic range |
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179 | (5) |
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Basic characteristics of AGC systems |
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179 | (2) |
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181 | (2) |
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Research on the efficacy of multi-band compression |
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183 | (1) |
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184 | (4) |
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Compensating for variations in the overall level of speech |
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184 | (3) |
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Compensating for variations in the levels of individual speech sounds |
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187 | (1) |
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General conclusions about compression |
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188 | (1) |
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Attempts to improve speech intelligibility using spectral enhancement |
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189 | (6) |
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Methods of improving the speech-to-noise ratio |
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195 | (5) |
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195 | (1) |
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196 | (1) |
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Binaural processing algorithms |
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197 | (2) |
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Concluding remarks on schemes to improve the speech-to-noise ratio |
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199 | (1) |
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Signal-processing aids for severe and profound hearing loss |
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200 | (1) |
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201 | (2) |
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203 | (2) |
References |
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205 | (24) |
Index |
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229 | |